METAL-COMPLEXES OF N-HETEROCYCLIC CARBENES - A NEW STRUCTURAL PRINCIPLE FOR CATALYSTS IN HOMOGENEOUS CATALYSIS

被引：1093

作者：

HERRMANN, WA

ELISON, M

FISCHER, J

KOCHER, C

ARTUS, GRJ

机构：

[1] Anorganisch-Chemisches Institut, Technischen Universität München, Garching, D-85747

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH | 1995年 / 34卷 / 21期

关键词：

CARBENES; CATALYSIS; HECK REACTIONS; PALLADIUM COMPOUNDS;

D O I：

10.1002/anie.199523711

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Stabilized by “carbene” donor ligands, the Pd complex 1 catalyzes the Heck olefination of aryl halides unexpectedly efficiently and yet has long‐term stability at elevated temperatures. The active Pd0 species can be generated during the Heck reaction or deliberately prepared by reduction of 1 with, for instance, hydrazine or sodium formate. Another similar catalyst can be synthesized in situ from Pd0 complexes and 1,3‐dimethyldihydroimidazoline‐2‐ylidene. (Figure Presented.) Copyright © 1995 by VCH Verlagsgesellschaft mbH, Germany

引用

页码：2371 / 2374

页数：4

共 30 条

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